Written by: Ian Jonas Yam

Sunday, September 25, 2011

B/W Floatless Liquid Level Detection Induction Control Relay Switch

While liquid level detection float devices applies the practical approach of utilizing the principle of buoyancy which depends mainly on a floating object to detect the liquid level in a reservoir that mechanically actuates a switching mechanism to manipulate an electrical switch output to control a water pump, a floatless counterpart which does not rely on mechanical float mechanism makes use of metallic rods immersed in the liquid which serves as electrode probes to detect the depth of the liquid level in the reservoir.

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Monday, September 12, 2011

Using Micro Switch for Mechanically Actuated Water Level Detection Float Switch

Another type of float switch for liquid level control and detection incorporates the use of the micro switch for its main electrical component. Unlike the mercury switch which is dependent on turning the position of the glass vial to cause the liquid mercury to fall by gravity to immerse its electrical contacts to provide a switch output, the micro switch is an electrical switching device fitted with both open and close contacts which is mechanically actuated to provide both open and close electrical switching output states via a pin button accessible on the upright side of its outer casing.

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Wednesday, September 7, 2011

Mechanically Actuated Water Level Detection Float Ball Switch with Mercury Switch

The use of float balls as a component part of a liquid level detection device to mechanically actuate a switching mechanism such as a mercury switch or a micro switch is an effective and economical method of controlling liquid level in liquid tanks or any liquid reservoir. Float level switch is not only simple and convenient in terms of its concept and adaptability in various applications due to its uncomplicated and easy to understand principle but is also cheaper than its more advanced opposite counterpart most commonly known as the floatless liquid level controllers.

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Thursday, August 25, 2011

Guide to the Power Circuit and Control Circuit of the Wound Rotor AC Induction Motor

In certain exceedingly enormous type of industrial applications where a tremendous amount of power is required to drive a specific type of load too large for the ordinary type squirrel cage induction motors to carry, the most appropriately preferred type of motor for use with such extensively large demand of power application is another type of large capacity motor which has the capability to run with high starting torque immediately attainable all throughout starting from when the motor is just beginning to run from rest even while it is at loaded condition up to when the motor reaches its peak rated speed while also carrying the same amount of heavy load, which would also necessitate for this type of motor to possess the ability to run continuously at different variation of steps of speed levels while driving a very heavy load. This type of motor is known as the wound rotor induction motor.

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Saturday, August 6, 2011

12 Leads Terminal Wiring Guide for Dual Voltage Delta Connected AC Induction Motor

The previous article presented the terminal wiring connection for a 12 leads star (wye) configured induction motor. Another type of 12 leads wiring configuration which is a distinguished counterpart to the star (wye) motor connection is the delta configuration. Again this type of connection will also have 12 wiring terminals directly accessible from the motor's terminal box which serves for external wiring purpose.

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Friday, August 5, 2011

12 Leads Terminal Wiring Guide for Dual Voltage Star (Wye) Connected AC Induction Motor

Another convention of wiring connection for the AC induction motor apart from the 9 leads and the widely known 6 leads terminal is the 12 leads motor wiring connection. This can be determined directly by counting the number of available terminal leads accessible from the induction motor's terminal box.

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Wednesday, July 20, 2011

9 Leads Terminal Wiring Guide for Dual Voltage Delta Connected AC Induction Motor

As mentioned in our previous article, another variation of the 9 leads AC induction motor aside from the star (wye) configuration is the delta configuration. It is important to take extra precautionary measure to determine first as to which type of internal coil winding the 9 leads motor is configured before attempting any wiring connection and installing power to run the motor.

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Tuesday, July 19, 2011

9 Leads Terminal Wiring Guide for Dual Voltage Star (Wye) Connected AC Induction Motor

It is of utmost importance to firstly understand the internal wiring configuration of a 9 leads AC induction motor before doing the actual wiring connection.  All 9 leads motors are most commonly made for dual voltage application, this means that the motor was manufactured specifically for dual voltage operation which can be connected in either 220 volts or 440 volts configuration.

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Monday, July 18, 2011

Internal Wiring Configuration for Dual Voltage Dual Rotation Single Phase Capacitor Start AC Motor

Wiring a 110 or 220 volts split phase capacitor start AC motor to achieve a dual voltage 110 and 220 volts connection and to be able to run the motor in both forward and reverse direction can be achieved by knowing the order and arrangement of its internal coil winding connection and its associated internal electrical components.

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Tuesday, June 21, 2011

Running a Three Phase AC Induction Motor on Single Phase Supply Source Voltage

In some strange occurrences, you may sometimes end up in certain emergency cases where you are caught unexpectedly in urgent situations that would demand immediate action. One of such unexpected situation in the field of industrial technology is the absence of three phase power source to supply a three phase motor, where the only available means is the most commonly found single phase power supply voltage.

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Monday, June 6, 2011

Why does a 3 phase AC induction motor have to be connected in star delta (or wye delta) configuration - What is the significance and advantage of using star and delta in motor connection

Three phase AC induction motors are known to have a very high start-up surge current. The most practical approach to reduce the high start-up inrush current is by firstly implementing a star (or wye) configuration to the motor's 6 leads wiring terminal during the start-up run of the motor. When the motor slowly picks up speed and a significant decrease in the amount of current is achieved then the motor's 6 leads wiring terminal is then reconfigured to a delta connection.

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Sunday, June 5, 2011

Flowchart schematic diagram for the Control Circuit of a Forward Reverse Direct On Line (DOL) Electric Motor Controller - A how to learn skills training guide for electric motor controller

To help facilitate for a better understanding and further learning and training on the concept of the reversible Direct On Line (DOL) control circuit (ckt) covered in our previous article, a flowchart diagram is presented below as a follow up learning guide which shows a schematic representation of the sequence of operation for the starting and stopping and running operation of a reversible DOL electric motor control circuit in order to provide a visual aid to help diagrammatically visualize how the control circuit flows.

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Thursday, June 2, 2011

Flowchart schematic diagram for the Control Circuit of a Forward Reverse Star Delta or Wye Delta Electric Motor Controller - A how to learn skills training guide for electric motor controller

To help facilitate for a better understanding and further learning and training on the concept of the forward reverse star delta (or wye delta) control (ckt) circuit covered in our previous article, a reversible star delta starter control circuit diagram accompanied with a flowchart diagram is presented below as a follow up learning guide which shows a schematic representation of the sequence of operation for the starting and stopping and running operation of a reversible star delta or wye delta electric motor control circuit in order to provide a visual aid to help diagrammatically visualize how the control circuit flows.

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Tuesday, May 31, 2011

Flowchart schematic diagram for the Control Circuit of a Star Delta or Wye Delta Electric Motor Controller - A how to learn skills training guide for electric motor controller

To help facilitate for a better understanding and further learning and training of the concept of the star delta or wye delta control (ckt) circuit covered in our previous article, a flowchart diagram is presented below as a follow up learning guide which shows a schematic representation of the sequence of operation for the starting and stopping and running operation of the star delta or wye delta electric motor control circuit in order to provide a visual aid to help diagrammatically visualize how the control circuit flows.

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Monday, May 30, 2011

Flowchart guide for the Control Circuit of a Direct On Line DOL Electric Motor Controller - A how to do guide for electric motor controller

To help facilitate for a better understanding of the concept of the Direct On Line (DOL) control circuit covered in our previous article, a flowchart diagram is presented below as a follow up guide which shows a schematic representation of the sequence of operation for the start stop and run operation of the DOL electric motor controller control circuit in order to provide a visual aid to help diagrammatically visualize how the control circuit flows.

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Friday, May 27, 2011

Control Circuit of a Star Delta or Wye Delta Forward Reverse Electric Motor Controller - A basic industrial process automation control how to do guide for reversible star (wye) delta motor controller

An electrical schematic diagram for the power circuit of a reversible star delta or wye delta motor controller was tackled in our previous article, where it showed an illustration of the wiring combinations using three (3) phase circuit breakers, magnetic contactors and thermal overload relay to achieve the different variation of motor terminal connections in star and delta configuration in relation to the three (3) phase supply source voltage, hence the term power circuit diagram.

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Tuesday, May 24, 2011

Single Phase Capacitor Start and Capacitor Run Electric Motor Control-A basic industrial process automation control technology how to do guide

While three (3) phase AC induction motors have the practical advantage for industrial applications involving large capacity motors, single (1) phase AC motors falls under the category of small size motors most suitable for smaller applications. Capacitor start and capacitor run single phase AC motors are electrically operated rotating devices most popular than its counterpart split phase AC motor due to its favorable advantage of providing high starting torque for applications where the starting load to be driven is relatively heavier than the usual load.

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Sunday, May 22, 2011

Power Circuit of a Star Delta or Wye Delta Forward Reverse Electric Motor Controller - A basic industrial process automation control how to do guide for reversible star (wye) delta motor controller

Our previous article covered a typical star delta or wye delta motor controller which is focused on a common circuit intended for a single rotational direction of a 3 phase AC induction motor. But certain star delta motor control applications would also require a reversible motor rotation.

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Friday, May 20, 2011

Star Delta or Wye Delta Industrial Process Automation Control Motor Wiring Configuration - Recommended wiring configuration suitable for reduced changeover current peaks from star to delta motor connection - A basic How To Learn Guide

wiring diagram of delta connected electric motor internal wiring terminal
Fig-1
With reference to our previous articles which covered the star delta or wye delta motor wiring configuration - the delta motor wiring diagram presented in Fig-1 on the right shows two of each of the six motor terminals joined together and while connected also to each of the three reference source voltages that conforms to an orderly configuration of phase sequence U1-V2-L1, V1-W2-L2, W1-U2-L3.

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Saturday, May 14, 2011

Power Circuit of a single (1) Phase Direct On Line DOL Electric Motor Controller - A basic industrial process automation control how to do guide

Further to the previously discussed electric motor controller with a three (3) phase Direct On Line (DOL) power circuit is the application of similar DOL power circuit for a single (1) phase small size AC electric motor.

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Friday, May 13, 2011

Control Circuit of a Star Delta or Wye Delta Electric Motor Controller - A basic how to guide

Controlling the interchanging star connection and delta connection of an AC induction motor is achieved by means of a star delta or wye delta control circuit. The control circuit consists of push button switches, auxiliary contacts and a timer to act on the conditional contact point logic and time duration which upon reaching a specified time period would provide the switching sequence of the magnetic contactors configured specifically for a star connection and a delta connection of the motor terminals.

The control circuit discussed here consists of conventional physically hard-wired electrical components, wherein each components are individually wired using electrical cables fastened with screws to wiring terminals located in the electrical components. The introduction of logic controllers, however, has made it possible for such tedious wiring task to be conveniently constructed by drawing graphical representations of the circuit on a computer terminal to assemble the sequential logic of the circuit programmed by using a computer software, which is covered in the article Star Delta Control Circuit Using Programmable Logic Controller.

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Wednesday, May 11, 2011

Star Delta or Wye Delta Motor Wiring Configuration - A basic how to guide

The previous article which covered the star delta motor control power circuit for industrial process control presented an electrical diagram showing the interchanging motor wiring configuration for a star connection and a delta connection using magnetic contactors as motor starters. Exploring further with reference to the previous star delta power circuit diagram, if you manually trace each line connections going to the motor you will begin to understand how the following star and delta motor wiring connections are achieved.

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Monday, May 9, 2011

Power Circuit of a Star Delta or Wye Delta Electric Motor Controller - A basic how to guide

Reduction of the AC induction motor's starting inrush current is achieved by implementing an interchanging star delta or a wye delta connection of the motor, this can be done by incorporating a configured star delta connection of the motor by using magnetic contactors or magnetic starter switches. The diagram below illustrates this type of motor switching connection used in every electrical industry involving industrial process automation control technology.

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Saturday, May 7, 2011

A how to guide for the Control Circuit of a Forward Reverse Electric Motor Controller

Controlling the AC induction motor's rotation either in the forward or reverse direction with the push of a button is made possible by the forward reverse control circuit. The electrical diagram below illustrates the operational sequence of the forward reverse control system specific for the command of the forward reverse power circuit used in every electrical industry involving industrial process automation control technology.

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A how to guide for the Power Circuit of a Forward Reverse Electric Motor Controller

There are certain applications that requires forward and reverse direction of motor rotation, such as a conveyor system, or perhaps the opening and closing of valves. Another example is with overhead cranes which would also require a hoist up and down function, traverse forward and backward, and a left and right traveling function. Such application would most certainly make use of a forward and reverse motor control which is intended to achieve clockwise and counter clockwise motor rotational direction.

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Friday, May 6, 2011

A how to guide for the Control Circuit of a Direct On Line DOL Electric Motor Controller

As mentioned in the previous article, the Direct On Line (DOL) control circuit is an electrical control system which is intended for controlling the DOL power circuit. The electrical schematic diagram below illustrates the operational system of the DOL control circuit used in every electrical industry involving industrial process automation control technology.

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A how to guide for the Power Circuit of a 3 Phase Direct On Line DOL Electric Motor Controller

In the simplest method of motor operation for small size AC induction motors, the Direct On Line (DOL) motor controller is most popular in terms of simplicity and control device availability. DOL motor controller is suitable for application with small capacity motors which does not cause too much high inrush current that can pull down the supply voltage of the available power source from the electricity supply grid.

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How to Learn Electric Motor Control – A Basic Motor Controller Guide for Electrical Motor Controls used in every electrical industry involving industrial process automation control technology

Have you ever wondered what makes an electric motor work, what special types of control system is incorporated to its circuit to make it run for specific applications?

The electric motor is the most versatile electrical device ever invented which is commonly found in many applications in our everyday life which most of us may be unaware about. Examples of such applications are the elevators, escalators, electric cars, or perhaps you may have also wondered what makes the electric locomotive work with such precision on your daily commute to and from work everyday. The answer of course is electric motors without which would not have made all these things possible to live in our hi-tech world.

But have you also considered what sort of method was utilized to make electric motors function for their desired purpose? What control features was installed to control the motor to operate according to its intended application? If you want to find out, then read this article -  How to Learn Electric Motor Control – A Basic Motor Controller Guide for Electrical Motor Controls - to get to know more about electrical motor control system to gain a better understanding about how to operate electric motors used in every electrical industry involving industrial process automation control technology.

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Saturday, March 5, 2011

The technology of online jobs – revolutionizing work from home jobs, from part time jobs to the proliferation of full time work at home jobs

Read alternative site containing more information about online work from home jobs.

The demand of hiring work at home individuals has risen over the years. And with the current job market trend, more companies are shifting to hiring people to work at home. Why? The simplest explanation to this is because companies are discovering it is more economical for them to hire people, like you, to work at home, instead of absorbing the high costs of overhead expenses such as investing in office equipment and office supplies, dealing with employment and health benefits for their employees. Working at home is becoming more and more popular. There's a 40% increase this year compared to last year for the usual office jobs to shift to work at home jobs with formal arrangement between the employee and the company they are working for.
It is definitely possible nowadays for anyone in all walks of life in God's green earth to work from home. Anyone from housewives with young children at home, a college student needing some extra money, someone who is retired but enjoys keeping themselves busy, or anyone needing a full time job. If you're willing to work, you too can earn money - DECENT INCOME EQUALS GOOD MONEY - by working full-time or part-time from the comfort of your own home, while in your bathrobes or pyjamas.

Being a plain housewife is at times a gratifying experience, true, but let's face it, there are times where you would most definitely feel idle most of the day and realize that you're becoming too dependent on your husband's income. So if earning a supplemental income at home sounds interesting and great fun to you, then start learning the many possibilities readily available by exploring the following opportunities listed below. After learning from the following guide, you will have a better understanding of what it would take to start earning money online quickly.

Alternatively, learn more about Legit Online Jobs or Work from Home Jobs - The Real Earning Money from Home Opportunity with Legitimate Work at Home Job

Or, learn more about How to Avoid Work from Home Scams - How to be safe from online work at home scams

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Saturday, February 26, 2011

Understanding Pythagorean Theorem – A Review of the Immutable Pythagorean Equation

Throughout the ages, mankind struggled to seek out ways to understand the measurement of shapes and figures which led to the derivation of many useful mathematical theories.

One of such lasting mathematical knowledge that persisted in modern mathematical applications is the Pythagorean Theorem.

We may recall this theory from our high school or college math subjects although we tend to have forgotten all about it due to infrequent use. Yet in some instances we might come across certain circumstances which would require us to use the Pythagorean Theorem. If you happen to be searching for a simple review about this theory, then read my short but very informative lesson complete with easy to learn examples about What is Pythagorean Theorem – A Recap of the Famous Pythagorean Equation

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Friday, February 4, 2011

Relevance of acquiring technical skills in the field of industrial process automation control technology

As the original author of this blog post referred to by the above blog title, I have rightfully decided to move the content of this blog article to another site for the purpose of gaining better visibility, viewer interaction and article promotion strategy to help improve this site to achieve its ultimate goal of gaining long-term better site ranking.

I apologize for the inconvenience, but you may still view the original content of the blog post : Guide to Industrial Process automation Technology, Useful Tips and How To Learn Industrial Process Automation Technology

Alternatively, you may also browse this site for anything in particular that catches your attention which you may find interesting and worth exploring further by referring to this Site's Archive, or by selecting any topic of interest that are listed on the Site's Category, or by navigating your way around the site by directly accessing the articles of your choice from the Site Map.

I appreciate your patience and consideration. I will try my best to devote myself to providing you with the best relevant information as much as I can, as I go along developing and improving this site in the best possible way I know how to, in order to contribute to your gaining of knowledge and understanding about the electrical field, particularly the many aspects of its implementation which comprises the application of industrial process automation control technology.

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Thursday, January 13, 2011

The Overwhelming Evolution Of Technology

The passing of time is still and always will be a mystery that cannot be controlled. And as we move forward with time, it brings forth so many issues and events that unfolds before our very eyes faster than we could ever imagine,
and changes brought about by technological innovations takes place at a rapid rate beyond our ability to keep up with the pace of its progression since our capacity is restricted only within the confines of our limited technological literacy, which often makes us wonder what will they think of next?

We know for a fact that education begins at home where we cultivate our mental faculty and grow up to become civilized human beings. But technology also plays a vital role in our developmental process from infancy to maturity, its profound impact is changing the way we learn how to interact and exist with the modern world. Technology has become an indispensable tool which is impossible for us to live without as we grow so comfortably accustomed to our domesticated human environment.

Technology is undeniably a part of our everyday life, it is constantly evolving on a regular basis that new changes happens almost instantly even now as you are reading this post, and there's just no way we can keep up with the changes as we continue to engage ourselves in our daily affairs consumed with a lifestyle that is so tremendously filled with overwhelming technological distractions.

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Sunday, January 2, 2011

Technology As A Tool In The Hands Of The Human Race

We have been accustomed to coexist with technology. Metaphorically speaking we are on a technological voyage, we have been on board this ship for ages now, and we have to keep steering the ship to the right direction to reach a successful destination. We have been through a lot of stormy weathers but we managed to stay afloat and sailing. But where will our relentless technological voyage lead us? Throughout history there are those among us who proclaimed themselves as the dominant superior ones, who unethically took immediate advantage of our unsuspecting nature by enforcing their influential authority to turn every possible circumstance to their potential benefit to serve their deranged purpose. Having greatest ascendancy and decisive advantage these greedy arrogant individuals were opportunistic enough to deliberately risk the welfare of those who are considered inferior by persuading the inferior ones to test the depth of the water with both feet and drown, so that the prevalence of their selfish purpose can continue to inherit the earth by benefiting from the demise of the inferior ones in order to accommodate only a sufficient number of selected prominent few to remain on board the voyage for adequate consumption of our increasingly exhausted environmental resources.

What happened cannot be undone, but the past serves as a basic fundamental foundation for us to patiently endure what is yet to come in the future. The experiences we have learned from the past taught us that for every action there is an equal opposite reaction. And we should know how to deal with the consequences of our actions, not risk the welfare of the others as a result of our excessive environmental consumption, which brings about the consequential tendency for territorial conquest to become the ultimate last resort, as nations rise against nations as they become rivals in their struggle for survival with their simultaneous demand for the consumption of our depleted environmental resources.

Striving for higher power through technological means for the achievement of territorial supremacy to gain global dominance is the major contributing factor that continue to cause the largest problems related to the further degradation of our planet.

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